I am working on a 25hp Evinrude E25ELEOA. The motor will idle fine but if I start giving it gas, it starts to flood itself out. I think it may be the primer solenoid. It seems there is a fuel line going from the primer solenoid to the back side of the carb and when I give the motor gas, it starts to flood gas into the back side of the carb and drowns the motor out. How do you test to see if the primer solenoid is bad?? How do they work?? Thanks for the help.